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<?php |
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namespace Desmond\functions\core; |
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use Desmond\functions\DesmondFunction; |
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use Desmond\data_types\ObjectType; |
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use Desmond\ArgumentHelper; |
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use Desmond\exceptions\ArgumentException; |
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use Exception; |
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class DotMethod implements DesmondFunction |
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{ |
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use \Desmond\TypeHelper; |
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use ArgumentHelper; |
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155 |
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public function id() |
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{ |
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return '.method'; |
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} |
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public function run(array $args) |
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{ |
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$this->checkFirstArgument($args); |
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$target = $args[0]->value(); |
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if (is_string($target) && strpos($target, '::')) { |
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return $this->callStaticMethod($target, $args); |
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} else if (is_object($target)) { |
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return $this->callInstanceMethod($target, $args); |
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} else { |
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throw new ArgumentException("\".method\": First argument must be an object or Class::method."); |
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} |
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} |
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private function checkFirstArgument($args) |
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{ |
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$this->expectArguments( |
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'.method', |
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[0 => ['Object', 'Symbol', 'String']], |
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$args |
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); |
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} |
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private function callInstanceMethod($object, $args) |
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{ |
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$method = $this->getInstanceMethod($args); |
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$this->checkInstanceMethodExists($object, $method); |
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$methodArgs = array_slice($args, 2); |
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foreach ($methodArgs as $key=> $arg) { |
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$methodArgs[$key] = $arg->value(); |
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} |
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return self::fromPhpType($object->$method(...$methodArgs)); |
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} |
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private function getInstanceMethod($args) |
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{ |
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$this->expectArguments( |
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'.method', |
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[1 => ['Symbol', 'String']], |
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$args |
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); |
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return $args[1]->value(); |
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} |
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private function callStaticMethod($method, $args) |
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{ |
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$this->checkStaticExists($method); |
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$methodArgs = array_slice($args, 1); |
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2 |
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foreach ($methodArgs as $key=> $arg) { |
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$methodArgs[$key] = $arg->value(); |
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} |
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return self::fromPhpType($method(...$methodArgs)); |
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} |
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private function checkInstanceMethodExists($object, $method) |
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{ |
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if (!method_exists($object, $method)) { |
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$objectName = get_class($object); |
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throw new ArgumentException("\".method\": Method \"$method\" not found in object \"$objectName\"."); |
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} |
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} |
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4 |
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private function checkStaticExists($method) |
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{ |
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$parts = explode('::', $method); |
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if (!class_exists($parts[0])) { |
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throw new ArgumentException("\".method\": Class \"{$parts[0]}\" not found."); |
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} |
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if (!method_exists($parts[0], $parts[1])) { |
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throw new ArgumentException('".method": Method "' . $parts[1] . '" not found in class "' . $parts[0] . '".'); |
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} |
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2 |
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} |
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} |
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Archer70 /
desmond
